'Restart Express APP with HA Proxy without Breaking Older request
Objective: I want to create an env with HA proxy and express such that no process stops in between its task in express (100 % availability is not a priority)
So I am thinking to deploy my express server on 2 PORT( server1 3000 && server2 3001)
Now I want to tell the HA proxy to reverse proxy on one server that I want(the server which started latest with new changes)
My Approach:
Current scenario:
server1 3000 last reload on T1 & serve2 3001 last reload on T2. T2 < T1 (server1 is the last one to restart) && HA proxy is serving through server1
MY script Idea It will restart server2 and reload HA proxy and tell Him now reverse proxy on server 2 (may create 2 conf files for HA proxy and reload with one of the conf files as a requirement)
how to load balance for the above criteria
OR any other approach to my problem that is better.
Sources
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Source: Stack Overflow
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